Motorcycle exhaust pipe system



FIG. 1 is a front elevational view;

FIG. 2 is an enlarged front elevational view;

FIG. 3 is an enlarged rear elevational view;

FIG. 4 is an enlarged left side elevational view;

FIG. 5 is an enlarged right side elevational view;

FIG. 6 is an enlarged top plan view; and,

FIG. 7 is an enlarged bottom plan view of my motorcycle exhaust pipe system.

The dotted lines showing a motorcycle in FIG. 1 are environmental only and form no part of the claimed design. 

The ornamental design for a motorcycle exhaust pipe system, substantially as shown and described. 